<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
 <head>
  <title>前台</title>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <link href="/static/css/global.css" rel="stylesheet" />
 </head>
 <body>
 <?php echo $content; ?>
 </body>
 </html>